Nowadays, societal and technological trends demand the management of large scale of
decision makers in group decision-making (GDM) contexts. In a large-scale GDM, decision …

The consistency measure is a vital basis for consensus models of group decision making
using preference relations, and includes two subproblems: individual consistency measure …

In decision-making problems there may be cases in which experts do not have an in-depth
knowledge of the problem to be solved. In such cases, experts may not put their opinion …

In real-world decision problems, decision makers usually express their opinions with
different preference structures. In order to deal with the heterogeneous preference …

Preference relations are very useful to express decision makers' preferences over
alternatives in the process of group decision-making. However, the multiple self-confidence …

When using linguistic approaches to solve decision problems, we need the techniques for
computing with words (CW). Together with the 2-tuple fuzzy linguistic representation models …

In group decision making (GDM), decision makers who have different experiential, cultural
and educational backgrounds will naturally provide their preference information by …

In group decision making (GDM) situations, it is quite natural that the decision makers who
may have different background and knowledge will provide their preferences by means of …

In this paper, we explore the ranking methods with hesitant fuzzy preference relations
(HFPRs) in the group decision making environments. As basic elements of hesitant fuzzy …

Multiattribute decision making (MADM) with multiple formats of information, which is called
heterogeneous MADM for short, is very complex and interesting in applications. The …